x64: fix grub2 booting

config/Config-build.in

@@ -3,6 +3,20 @@
 # Copyright (C) 2006-2013 OpenWrt.org
 # Copyright (C) 2016 LEDE Project
 
+config EXPERIMENTAL
+	bool "Enable experimental features by default"
+	default n
+	help
+	  Set this option to build with latest bleeding edge features
+	  which may or may not work as expected.
+	  If you would like to help the development of OpenWrt, you are
+	  encouraged to set this option and provide feedback (both
+	  positive and negative). But do so only if you know how to
+	  recover your device in case of flashing potentially non-working
+	  firmware.
+
+	  If you plan to use this build in production, say NO!
+
 menu "Global build settings"
 
 	config JSON_OVERVIEW_IMAGE_INFO
@@ -49,17 +63,18 @@ menu "Global build settings"
 	config TESTING_KERNEL
 		bool "Use the testing kernel version"
 		depends on HAS_TESTING_KERNEL
-		default n
+		default EXPERIMENTAL
 		help
 		  If the target supports a newer kernel version than the default,
 		  you can use this config option to enable it
 
+
 	config DISPLAY_SUPPORT
 		bool "Show packages that require graphics support (local or remote)"
 		default n
 
 	config BUILD_PATENTED
-		default y
+		default n
 		bool "Compile with support for patented functionality"
 		help
 		  When this option is disabled, software which provides patented functionality
@@ -86,11 +101,19 @@ menu "Global build settings"
 		  This removes all ipkg/opkg status data files from the target directory
 		  before building the root filesystem.
 
+	config IPK_FILES_CHECKSUMS
+		bool
+		prompt "Record files checksums in package metadata"
+		default n
+		help
+		  This makes file checksums part of package metadata. It increases size
+		  but provides you with pkg_check command to check for flash coruptions.
+
 	config INCLUDE_CONFIG
 		bool "Include build configuration in firmware" if DEVEL
 		default n
 		help
-		  If enabled, config.seed will be stored in /etc/build.config of firmware.
+		  If enabled, buildinfo files will be stored in /etc/build.* of firmware.
 
 	config REPRODUCIBLE_DEBUG_INFO
 		bool "Make debug information reproducible"

config/Config-devel.in

@@ -7,7 +7,7 @@ menuconfig DEVEL
 	default n
 
 	config BROKEN
-		bool "Show broken platforms / packages" if DEVEL
+		bool "Show broken platforms / packages / devices" if DEVEL
 		default n
 
 	config BINARY_FOLDER
@@ -63,7 +63,7 @@ menuconfig DEVEL
 
 	config CCACHE
 		bool "Use ccache" if DEVEL
-		default y
+		default n
 		help
 		  Compiler cache; see https://ccache.samba.org/
 
@@ -115,6 +115,13 @@ menuconfig DEVEL
 		help
 		  If enabled, log files will be written to the ./log directory.
 
+	config BUILD_LOG_DIR
+		string "Log folder" if DEVEL
+		default ""
+		help
+		  Store build logs in this directory.
+		  If not set, uses './logs'
+
 	config SRC_TREE_OVERRIDE
 		bool "Enable package source tree override" if DEVEL
 		help

config/Config-images.in

@@ -14,7 +14,6 @@ menu "Target Images"
 			prompt "Compression"
 			default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_apm821xx
 			default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ath79_mikrotik
-			default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ipq40xx
 			default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_lantiq
 			default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_mpc85xx
 			default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ramips
@@ -94,7 +93,6 @@ menu "Target Images"
 	menuconfig TARGET_ROOTFS_EXT4FS
 		bool "ext4"
 		default y if USES_EXT4
-		default n if TARGET_x86
 		help
 		  Build an ext4 root filesystem.
 
@@ -136,13 +134,6 @@ menu "Target Images"
 			help
 			  Create an ext4 filesystem with a journal.
 
-	config TARGET_ROOTFS_ISO
-		bool "iso"
-		default n
-		depends on TARGET_x86_generic
-		help
-		  Create a bootable ISO image.
-
 	config TARGET_ROOTFS_JFFS2
 		bool "jffs2"
 		depends on USES_JFFS2
@@ -207,32 +198,32 @@ menu "Target Images"
 	config GRUB_IMAGES
 		bool "Build GRUB images (Linux x86 or x86_64 host only)"
 		depends on TARGET_x86
-		depends on TARGET_ROOTFS_EXT4FS || TARGET_ROOTFS_ISO || TARGET_ROOTFS_JFFS2 || TARGET_ROOTFS_SQUASHFS
+		depends on TARGET_ROOTFS_EXT4FS || TARGET_ROOTFS_JFFS2 || TARGET_ROOTFS_SQUASHFS
 		select PACKAGE_grub2
 		default y
 
-	config EFI_IMAGES
-		bool "Build EFI GRUB images (Linux x86 or x86_64 host only)"
+	config GRUB_EFI_IMAGES
+		bool "Build GRUB EFI images (Linux x86 or x86_64 host only)"
 		depends on TARGET_x86
-		depends on TARGET_ROOTFS_EXT4FS || TARGET_ROOTFS_ISO || TARGET_ROOTFS_JFFS2 || TARGET_ROOTFS_SQUASHFS
+		depends on TARGET_ROOTFS_EXT4FS || TARGET_ROOTFS_JFFS2 || TARGET_ROOTFS_SQUASHFS
 		select PACKAGE_grub2
 		select PACKAGE_grub2-efi
+		select PACKAGE_kmod-fs-vfat
 		default y
 
 	config GRUB_CONSOLE
 		bool "Use Console Terminal (in addition to Serial)"
-		depends on GRUB_IMAGES || EFI_IMAGES
+		depends on GRUB_IMAGES || GRUB_EFI_IMAGES
 		default y
 
 	config GRUB_SERIAL
 		string "Serial port device"
-		depends on GRUB_IMAGES || EFI_IMAGES
-		default "hvc0" if TARGET_x86_xen_domu
-		default "ttyS0" if ! TARGET_x86_xen_domu
+		depends on GRUB_IMAGES || GRUB_EFI_IMAGES
+		default "ttyS0"
 
 	config GRUB_BAUDRATE
 		int "Serial port baud rate"
-		depends on GRUB_IMAGES || EFI_IMAGES
+		depends on GRUB_IMAGES || GRUB_EFI_IMAGES
 		default 38400 if TARGET_x86_generic
 		default 115200
 
@@ -243,89 +234,68 @@ menu "Target Images"
 
 	config GRUB_BOOTOPTS
 		string "Extra kernel boot options"
-		depends on GRUB_IMAGES || EFI_IMAGES
-		default "xencons=hvc" if TARGET_x86_xen_domu
+		depends on GRUB_IMAGES || GRUB_EFI_IMAGES
 		help
 		  If you don't know, just leave it blank.
 
 	config GRUB_TIMEOUT
 		string "Seconds to wait before booting the default entry"
-		depends on GRUB_IMAGES || EFI_IMAGES
-		default "0"
+		depends on GRUB_IMAGES || GRUB_EFI_IMAGES
+		default "5"
 		help
 		  If you don't know, 5 seconds is a reasonable default.
 
 	config GRUB_TITLE
 		string "Title for the menu entry in GRUB"
-		depends on GRUB_IMAGES || EFI_IMAGES
+		depends on GRUB_IMAGES || GRUB_EFI_IMAGES
 		default "OpenWrt"
 		help
 		  This is the title of the GRUB menu entry.
 		  If unspecified, it defaults to OpenWrt.
 
+	config ISO_IMAGES
+		bool "Build LiveCD image (ISO)"
+		depends on TARGET_x86
+		depends on GRUB_IMAGES || GRUB_EFI_IMAGES
+
 	config VDI_IMAGES
 		bool "Build VirtualBox image files (VDI)"
-		depends on TARGET_x86 || TARGET_x86_64
-		select GRUB_IMAGES
-		select TARGET_IMAGES_PAD
+		depends on TARGET_x86
+		depends on GRUB_IMAGES || GRUB_EFI_IMAGES
 		select PACKAGE_kmod-e1000
 
 	config VMDK_IMAGES
 		bool "Build VMware image files (VMDK)"
-		depends on TARGET_x86 || TARGET_x86_64
-		select GRUB_IMAGES
-		select TARGET_IMAGES_PAD
-		select PACKAGE_kmod-e1000
-		default y
-
-	config VHD_IMAGES
-		bool "Build Hyper-V image files (VHD)"
-		depends on TARGET_x86 || TARGET_x86_64
-		depends on GRUB_IMAGES || EFI_IMAGES
-		select TARGET_IMAGES_PAD
-		select PACKAGE_kmod-tulip
-		default n
-
- 	config QCOW2_IMAGES
-		bool "Build PVE/KVM image files (QCOW2)"
-		depends on TARGET_x86 || TARGET_x86_64
-		depends on GRUB_IMAGES || EFI_IMAGES
-		select TARGET_IMAGES_PAD
+		depends on TARGET_x86
+		depends on GRUB_IMAGES || GRUB_EFI_IMAGES
 		select PACKAGE_kmod-e1000
-		default n
-
-	config TARGET_IMAGES_PAD
-		bool "Pad images to filesystem size (for JFFS2)"
-		depends on GRUB_IMAGES || EFI_IMAGES
-		default y
 
 	config TARGET_IMAGES_GZIP
 		bool "GZip images"
-		depends on TARGET_IMAGES_PAD || TARGET_ROOTFS_EXT4FS || TARGET_x86
+		depends on TARGET_ROOTFS_EXT4FS || TARGET_x86 || TARGET_armvirt || TARGET_malta
 		default y
-		default n if TARGET_x86
 
 	comment "Image Options"
 
 	source "target/linux/*/image/Config.in"
 
 	config TARGET_KERNEL_PARTSIZE
 		int "Kernel partition size (in MB)"
-		depends on GRUB_IMAGES || EFI_IMAGES || USES_BOOT_PART
+		depends on USES_BOOT_PART
 		default 8 if TARGET_apm821xx_sata
 		default 64 if TARGET_bcm27xx
 		default 16
 
 	config TARGET_ROOTFS_PARTSIZE
 		int "Root filesystem partition size (in MB)"
-		depends on GRUB_IMAGES || EFI_IMAGES || USES_ROOTFS_PART || TARGET_ROOTFS_EXT4FS || TARGET_mvebu || TARGET_rb532 || TARGET_sunxi || TARGET_uml
-		default 160
+		depends on USES_ROOTFS_PART || TARGET_ROOTFS_EXT4FS || TARGET_omap || TARGET_sunxi || TARGET_uml
+		default 104
 		help
 		  Select the root filesystem partition size.
 
 	config TARGET_ROOTFS_PARTNAME
 		string "Root partition on target device"
-		depends on GRUB_IMAGES || EFI_IMAGES
+		depends on GRUB_IMAGES || GRUB_EFI_IMAGES
 		help
 		  Override the root partition on the final device. If left empty,
 		  it will be mounted by PARTUUID which makes the kernel find the